/Engine/Source/Runtime/Experimental/Chaos/Public/Chaos/MPMTransfer.h
TemplateThis one does an initial splat of momentum and mass to the grid. One can add splat functor in the future passibly for other kinds of splat
void InitialP2G ( const [TDynamicParticles](API\Runtime\Chaos\Chaos\TDynamicParticles)< T, 3 > & InParticles, [TArray](API\Runtime\Core\Containers\TArray)< T > & GridData )